1、類+list：
public class OrderInfo
{
/// <summary>
/// 桌臺狀態表
/// </summary>
[DataMember]
public string bi_deskroom_status { get; set; }
/// <summary>
/// 銷售主表
/// </summary>
[DataMember]
public string pos_master { get; set; }
/// <summary>
public class pos_master
{
[DataMember]
public string errcode { get; set; }
[DataMember]
public string errmsg { get; set; }
[DataMember]
public List<pos_detail> p_detail;
/// <summary>
/// 銷售明細表
/// </summary>
[DataMember]
public string detail { get; set; }
/// <summary>
/// 企業id
/// </summary>
[DataMember]
public string softid { get; set; }
/// <summary>
/// 單號
/// </summary>
[DataMember]
public string sheet_no { get; set; }
orderInfo.pos_master = grammar_ResultB;
var p_master = Newtonsoft.Json.JsonConvert.DeserializeObject<po_master>(orderInfo.pos_master);
List<pos_master> master = p_master.TableInfo;
var p_detail = Newtonsoft.Json.JsonConvert.DeserializeObject<po_detail>(orderInfo.pos_detail);
List<pos_detail> detail = p_detail.TableInfo;
var p_detailcs = Newtonsoft.Json.JsonConvert.DeserializeObject<po_detailcs>(orderInfo.pos_detailcs);
List<pos_detailcs> detailcs = p_detailcs.TableInfo;
var p_detailtaste = Newtonsoft.Json.JsonConvert.DeserializeObject<po_detailtaste>(orderInfo.pos_detailtaste);
List<pos_detailtaste> detailtaste = p_detailtaste.TableInfo;
try
{
if (grammar_ResultB.IndexOf("查詢無數據") > 0)
{
return dberror.errorStr("40050");
}
else
{
foreach (pos_master po in master)
{
//errcode errmsg
if (po.errcode != "40015")
{
po.p_detail = null;
}
else
{
}
po.p_detail = null;
if (grammar_ResultC.IndexOf("查詢無數據") > 0)
{
return dberror.errorStr("40051");
}
else
{
foreach (pos_detail pi in detail)
{
if (po.sheet_no == pi.sheet_no)
{
po.p_detail = detail;
}
else
{
}
if (pi.errcode != "")
{
pi.p_detailcs = null;
pi.p_detailtaste = null;
}
else
{
}
pi.p_detailcs = null;
if (grammar_ResultD.IndexOf("查詢無數據") > 0)
{
pi.p_detailcs = null;
}
else
{
List<pos_detailcs> detailcs0 = new List<pos_detailcs>();
foreach (pos_detailcs pd in detailcs)
{
// pi.item_money = 0;
if ( pi.sheet_sort == pd.sheet_sort)
{
detailcs0.Add(pd);
pi.item_money = Convert.ToDouble(pi.real_amt) + Convert.ToDouble(pi.add_amt);
}
else
{
}
if (pd.errcode != "")
{
pd.p_detailtaste = null;
}
else
{
}
pd.p_detailtaste = null;
if (grammar_ResultE.IndexOf("查詢無數據") > 0)
{
//return dberror.errorStr("40053");
pd.p_detailtaste = null;
}
else
{
List<pos_detailtaste> detailtaste0 = new List<pos_detailtaste>();
foreach (pos_detailtaste pe in detailtaste)
{
if ( pd.item_id == pe.item_id&& pd.child_sort == pe.sheet_sort)
{
detailtaste0.Add(pe);
pd.item_money = pd.item_money + Convert.ToDouble(pe.add_range);
}
else
{
}
}
pd.p_detailtaste = detailtaste0;
}
}
pi.p_detailcs = detailcs0;
pi.item_money = pi.item_money;
}
pi.p_detailtaste = null;
if (grammar_ResultE.IndexOf("查詢無數據") > 0)
{
// return dberror.errorStr("40053");
pi.p_detailtaste = null;
}
else
{
// int m = 0;
List<pos_detailtaste> detailtaste0 = new List<pos_detailtaste>();
foreach (pos_detailtaste pf in detailtaste)
{
// List<pos_detailtaste> detailtaste0 = new List<pos_detailtaste>();
if ( pi.sheet_sort == pf.sheet_sort)
{
detailtaste0.Add(pf);
//pi.item_money + Convert.ToDouble(pf.add_range);
}
else
{
}
}
pi.p_detailtaste = detailtaste0;
pi.item_money = Convert.ToDouble(pi.add_amt) + Convert.ToDouble(pi.real_amt);
pi.item_money = pi.item_money;
}
}
}
}
}
}
catch (Exception ex)
{
return dberror.errorStr("40015");
throw ex;
}
return Newtonsoft.Json.JsonConvert.SerializeObject(master); //return Jayrock.Json.Conversion.JsonConvert.ExportToString(master);
}
catch (Exception ex)
{
#region 異常
if (i < 3)
{
i++;
goto InitInfoA;
}
if (upoint != null) {
messenger.gush(upoint);
}
return dberror.errorStr("40017");
throw ex;
#endregion
}
}
2、類+類：
public class UserInfo
{
public string name;
public int age;
public address addr;
}
public class address
{
public string city;
public string province;
}
然後參照1給類for循環賦值
3、轉換成table，表操作，然後轉list
public static class jsonObject
{
#region DataTable 轉換爲Json 字符串
/// <summary>
/// DataTable 對象 轉換爲Json 字符串
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
public static string ToJson(this DataTable dt)
{
JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大數值
ArrayList arrayList = new ArrayList();
foreach (DataRow dataRow in dt.Rows)
{
Dictionary<string, object> dictionary = new Dictionary<string, object>(); //實例化一個參數集合
foreach (DataColumn dataColumn in dt.Columns)
{
dictionary.Add(dataColumn.ColumnName, dataRow[dataColumn.ColumnName].ToString());
}
arrayList.Add(dictionary); //ArrayList集合中添加鍵值
}
return javaScriptSerializer.Serialize(arrayList); //返回一個json字符串
}
#endregion
#region Json 字符串 轉換爲 DataTable數據集合
/// <summary>
/// Json 字符串 轉換爲 DataTable數據集合
/// </summary>
/// <param name="json"></param>
/// <returns></returns>
public static DataTable ToDataTable(this string json)
{
DataTable dataTable = new DataTable(); //實例化
DataTable result;
try
{
JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大數值
ArrayList arrayList = javaScriptSerializer.Deserialize<ArrayList>(json);
if (arrayList.Count > 0)
{
foreach (Dictionary<string, object> dictionary in arrayList)
{
if (dictionary.Keys.Count<string>() == 0)
{
result = dataTable;
return result;
}
if (dataTable.Columns.Count == 0)
{
foreach (string current in dictionary.Keys)
{
dataTable.Columns.Add(current, Type.GetType("System.String"));// dictionary[current].GetType());
}
}
DataRow dataRow = dataTable.NewRow();
foreach (string current in dictionary.Keys)
{
dataRow[current] = dictionary[current];
}
dataTable.Rows.Add(dataRow); //循環添加行到DataTable中
}
}
}
catch (Exception ex)
{
//* return dberror.errorStr("40015");
throw ex;
}
result = dataTable;
return result;
}
#endregion
public static DataTable ListToDataTableA( List<pos_master> collection)
{
var props = typeof(pos_master).GetProperties();
var master_dt = new DataTable();
master_dt.Columns.AddRange(props.Select(p => new DataColumn(p.Name, p.PropertyType)).ToArray());
if (collection.Count() > 0)
{
for (int m = 0; m < collection.Count(); m++)
{
ArrayList tempList = new ArrayList();
foreach (PropertyInfo pi in props)
{
object obj = pi.GetValue(collection.ElementAt(m), null);
tempList.Add(obj);
}
object[] array = tempList.ToArray();
master_dt.LoadDataRow(array, true);
//master_dt =Convert(array);
}
}
return master_dt;
}
/*public static DataTable Convert(string[,] Arrays)
{
DataTable dt = new DataTable();
int a = Arrays.GetLength(0);
for (int i = 0; i < Arrays.GetLength(1); i++)
{
dt.Columns.Add("col" + i.ToString(), typeof(string));
}
for (int i1 = 0; i1 < Arrays.GetLength(0); i1++)
{
DataRow dr = dt.NewRow();
for (int i = 0; i < Arrays.GetLength(1); i++)
{
dr[i] = Arrays[i1, i].ToString();
}
dt.Rows.Add(dr);
}
return dt;
}*/
public static DataTable ListToDataTableB(List<pos_detail> collection)
{
var props = typeof(pos_master).GetProperties();
var master_dt = new DataTable();
master_dt.Columns.AddRange(props.Select(p => new DataColumn(p.Name, p.PropertyType)).ToArray());
if (collection.Count() > 0)
{
for (int m = 0; m < collection.Count(); m++)
{
ArrayList tempList = new ArrayList();
foreach (PropertyInfo pi in props)
{
object obj = pi.GetValue(collection.ElementAt(m), null);
tempList.Add(obj);
}
object[] array = tempList.ToArray();
master_dt.LoadDataRow(array, true);
}
}
return master_dt;
}
public static DataTable ListToDataTableC(List<pos_detailcs> collection)
{
var props = typeof(pos_master).GetProperties();
var master_dt = new DataTable();
master_dt.Columns.AddRange(props.Select(p => new DataColumn(p.Name, p.PropertyType)).ToArray());
if (collection.Count() > 0)
{
for (int m = 0; m < collection.Count(); m++)
{
ArrayList tempList = new ArrayList();
foreach (PropertyInfo pi in props)
{
object obj = pi.GetValue(collection.ElementAt(m), null);
tempList.Add(obj);
}
object[] array = tempList.ToArray();
master_dt.LoadDataRow(array, true);
}
}
return master_dt;
}
public static DataTable ListToDataTableD(List<pos_detailtaste> collection)
{
var props = typeof(pos_master).GetProperties();
var master_dt = new DataTable();
master_dt.Columns.AddRange(props.Select(p => new DataColumn(p.Name, p.PropertyType)).ToArray());
if (collection.Count() > 0)
{
for (int m = 0; m < collection.Count(); m++)
{
ArrayList tempList = new ArrayList();
foreach (PropertyInfo pi in props)
{
object obj = pi.GetValue(collection.ElementAt(m), null);
tempList.Add(obj);
}
object[] array = tempList.ToArray();
master_dt.LoadDataRow(array, true);
}
}
return master_dt;
}
}
}